Unlockables

Sasuke RPG mode

Secondary Form of Characters

To unlock the secondary form of all the characters, just beat the story mode. Then, in VS mode, push R1 to see the secondary form and select for it. This doesn't work on all the characters, only on the ones that have a secondary form in the anime (ie: Neji doesn't have one, but Choji does (his super pill form))

Naturally, this only works on characters that you've already unlocked (which should be all if you beat story mode)